112 lines
2.8 KiB
PHP
112 lines
2.8 KiB
PHP
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<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\Common\Cache;
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/**
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* Filesystem cache driver.
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*
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* @since 2.3
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* @author Fabio B. Silva <fabio.bat.silva@gmail.com>
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*/
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class FilesystemCache extends FileCache
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{
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const EXTENSION = '.doctrinecache.data';
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/**
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* {@inheritdoc}
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*/
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public function __construct($directory, $extension = self::EXTENSION, $umask = 0002)
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{
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parent::__construct($directory, $extension, $umask);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetch($id)
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{
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$data = '';
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$lifetime = -1;
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$filename = $this->getFilename($id);
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if ( ! is_file($filename)) {
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return false;
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}
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$resource = fopen($filename, "r");
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if (false !== ($line = fgets($resource))) {
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$lifetime = (int) $line;
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}
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if ($lifetime !== 0 && $lifetime < time()) {
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fclose($resource);
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return false;
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}
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while (false !== ($line = fgets($resource))) {
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$data .= $line;
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}
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fclose($resource);
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return unserialize($data);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doContains($id)
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{
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$lifetime = -1;
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$filename = $this->getFilename($id);
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if ( ! is_file($filename)) {
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return false;
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}
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$resource = fopen($filename, "r");
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if (false !== ($line = fgets($resource))) {
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$lifetime = (int) $line;
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}
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fclose($resource);
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return $lifetime === 0 || $lifetime > time();
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSave($id, $data, $lifeTime = 0)
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{
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if ($lifeTime > 0) {
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$lifeTime = time() + $lifeTime;
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}
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$data = serialize($data);
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$filename = $this->getFilename($id);
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return $this->writeFile($filename, $lifeTime . PHP_EOL . $data);
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}
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}
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